*unnecessarily long and drawn out sigh*

So tomorrow I'm taking my first college Anatomy and Physiology test of the semester, and I don't entirely know what to expect from it. I compiled my review sheet last Thursday and at this point I'm really feeling pretty confident in the material and like I could stop studying now if I wanted to...

--EXCEPT--

that every time I try to stop studying, I get this feeling like I've totally missed or forgotten some key concept and if I stop studying now then I'll fail the entire test.

Does this ever happen to anyone else or am I totally alone in this constant creeping fear?

*runs off to keep studying because I've wasted too much time already*